/**
  * Model for numeral code table
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by hjl, SLSE, 2016-11-02
  */


#pragma once

#include <QAbstractTableModel>

namespace NGL
{
class INGLLogger;
}

class NumeralCodeModel final : public QAbstractTableModel
{
  Q_OBJECT
public:
  explicit NumeralCodeModel(QWidget *parent);

  ~NumeralCodeModel();

  /**
    * init model internal data matrix
    * @param -
    * @return Returns true on success, otherwise false
    */
  bool init();

  /**
    * set column selection values
    * @param data  refernce to character set of column selection values
    * @return Returns true on success, otherwise false
    */
  bool setColumnSelectionValues(const QVector<char> &data);
  bool setColumnSelectionValuesCSV(const QVector<char> &csvData);

  /**
    * set model internal data matrix
    * @param data  reference to character set of row selection values
    * @return Returns true on success, otherwise false
    */
  bool setRowSelectionValues(const QVector<char> &data);
  bool setRowSelectionValuesCSV(const QVector<char> &csvData);

  /**
    * get horizontal header in csv format
    * @param -
    * @return Returns horizontal header in csv format; (vectorsize must be 26).
    */
  QVector <char> getHorizontalHeaderCSV() const;
  /**
    * get vertical header in csv format
    * @param -
    * @return Returns vertical header in csv format; (vectorsize must be 26).
    */
  QVector <char> getVerticalHeaderCSV() const;


  /**
    * set/get edit mode flag used for internal data handling
    * @param isEditMode  true means set edit mode
    * @return Returns true if edit mode is set, otherwise false
    */
  void setEditMode(bool isEditMode);
  bool isEditMode() const;

  /**
    * get the row count  (MVC-model)
    * @param ModelIndex
    * @return int Returns the count
    */
  int rowCount(const QModelIndex &parent = QModelIndex()) const override;

  /**
    * get the row column  (MVC-model)
    * @param ModelIndex
    * @return int Returns the count
    */
  int columnCount(const QModelIndex &parent = QModelIndex()) const override;

  /**
    * get the header data (MVC-model)
    * @param section (column)
    * @param Qt::Orientation
    * @param role
    * @return QVariant
    */
  QVariant headerData(int column, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;

  /**
    * get the data (MVC-model)
    * @param QModelIndex
    * @return QVariant
    */
  QVariant data(const QModelIndex &index, int role) const override;

  /**
    * set the data (MVC-model)
    * @param QModelIndex
    * @return bool  Returns true if successfull, otherwise returns false
    */
  bool setData(const QModelIndex &index, const QVariant &value, int role) override;

  /**
  * get flags for the given QModelIndex (MVC-model)
  * @param ModelIndex
  * @return flags Returns the flags
  */
  Qt::ItemFlags flags(const QModelIndex &index) const override;

private:

  /**
  * init the constant 13x13 code matrix
  * @param ModelIndex
  * @return flags Returns the flags
  */
  bool initMatrix();

  QVector <char> m_MatrixNumeralSet;      ///< Numeral Set 0-9
  QVector <char> m_MatrixCharacterSet1;   ///< Character set 1  A-Z  26 Character
  QVector <char> m_MatrixCharacterSet2;   ///< Character set 2  especially 12 Character D...U

  char m_matrix[13][13];                  ///< Hold the numeral code table (without row/column selcet index fields)

  QVector <char> m_RowSelectionValues;    ///< Hold the row selcetion index field character
  QVector <char> m_ColumnSelectionValues; ///< Hold the column selcetion index field character

  bool m_isEditMode;                      ///< Hold the dialog mode setting; if true the indices in row 0 and column 0 can be modified
  NGL::INGLLogger      &m_logger;         ///< Interface to the Logging-Facility
};